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numbers and algebraic expressions
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absolute value
function and its properties
linear function
quadratic function
polynomials
rational function
exponential function
logarithm
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trigonometry
plane geometry
analytic geometry
solid geometry
combinatorics
probability
elements of statistics
kropki game

The root (zero) of polynomial is a number for which value of polynomial equals zero. Examples. The easiest is to find roots of a polynomial in factored form. Solving a polynomial equation consists in finding roots of this polynomial.